[Gmsh] Getting a .geo variable into a Field[1].F equation

[Praveen C]

Try

Field[1].F = Sprintf("%g + Sin(x)", a);

On Fri, Apr 27, 2012 at 8:22 PM, Mark Starnes <mark.starnes at fttech.co.uk>wrote:

> Hi everyone,
>
> Is there a way to reference a variable defined in
> my geometry file in a Field[].F expression?
>
> For example,
>
> a = 4;
>
> Field[1] = MathEval;
> Field[1].F = "a + Sin(x)";
>
> reports,
>
> Error  :  Error [mathex::parseatom()]: invalid token on expression
> Error  :  a+Sin(x)
> Error  :   ^
> Error  :  Field 1: Invalid matheval expression "a+Sin(x)"
>
> when I try to mesh.  This is version: 2.4.2
>
> Thanks in advance,
>
> Mark.
>
>
> --
> Dr. Mark Starnes
> Principal Physicist
> FT Technologies
> Church Lane
> Teddington
> TW11 8PA
>
> web:  www.fttech.co.uk
> DDI:  0208 614 2730
>
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